<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            background-color: #ccc;
        }
        .bigBox{
            width: 300px;
            height: 350px;
            background-color: #fff;
            border-radius: 10px;
            text-align: center;
            padding: 15px 0px;
        }
        ul{
            text-align: left;
            text-indent: 2em;
        }
        li{
            border-bottom: 1px grey dashed;
            padding: 10px 0px;
        }
        button{
            width: 100px;
            height: 30px;
            text-align: center;
            line-height: 30px;
            background-color: skyblue;
            border-radius:20px;
            color: white;
            border: none;
            margin-top: 30px;
        }
        .bigBox:hover{
            border: 2px solid greenyellow;
        }
        button:hover{
            background-color: greenyellow;
        }
    </style>
</head>
<body>
<div class="bigBox">
<h3>基础版</h3>
<h2 style="color: skyblue;font-size: 30px">¥99</h2>
<p style="color: grey;font-size: 10px">每月</p>
<hr>

    <ul>
        <li>✅ 1个免费域名</li>
        <li>✅ 1个免费域名</li>
        <li>✅ 1个免费域名</li>
        <li>✅ 1个免费域名</li>
    </ul>

    <button>立即购买</button>
</div>
</body>
</html>